feat: txn limit shift to 1TB

[Icemap]

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[Icemap]

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[qiancai]

Removed the needs-cherry-pick-release-7.3 label because the v7.3 docs have been archived at https://docs-archive.pingcap.com/zh/tidb/v7.3 and will no longer receive new updates

[qiancai]

Removed the needs-cherry-pick-release-7.4 label because the v7.4 docs have been archived at https://docs-archive.pingcap.com/zh/tidb/v7.4 and will no longer receive new updates.

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[hfxsd]

Suggested change

	- TiDB v4.0 及更高版本中，可通过 tidb-server 配置项 [`performance.txn-total-size-limit`](/tidb-configuration-file.md#txn-total-size-limit) 调整，默认值为 100MB，最大限制为 1TB。
	- TiDB v6.5 及更高版本中，支持的单个事务容量默认受到 [memory control](/configure-memory-usage.md) 的控制，若手动设置 `performance.txn-total-size-limit` ，可以控制事务大小最大为 1 TB。
	- TiDB v4.0 及更高版本中，可通过 tidb-server 配置项 [`performance.txn-total-size-limit`](/tidb-configuration-file.md#txn-total-size-limit) 调整，默认值为 `100MB`，最大限制为 `1TB`。
	- TiDB v6.5 及更高版本中，支持的单个事务容量默认受到 [memory control](/configure-memory-usage.md) 的控制，若手动设置 `performance.txn-total-size-limit` ，可以控制事务大小最大为 `1TB`。